Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

NXX: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-290 A Grand Bay AL MOBLALAZXJZ  773F MCC TELEPHONY OF THE SOUTH, LLC - AL 480      
251-290 0 Grand Bay AL   773F MCC TELEPHONY OF THE SOUTH, LLC - AL 480   2010-06-13   
251-290 1 Grand Bay AL   604E ONVOY, LLC - AL 480   2018-12-31   
251-290 2 Grand Bay AL   604E ONVOY, LLC - AL 480   2019-04-01   
251-290 3 Grand Bay AL   604E ONVOY, LLC - AL 480   2019-04-01   
251-290 4 Grand Bay AL   072F BANDWIDTH.COM CLEC, LLC - AL 480   2019-05-25   
251-290 5 Grand Bay AL   604E ONVOY, LLC - AL 480   2019-11-09   
251-290 6 Grand Bay AL   604E ONVOY, LLC - AL 480   2019-11-09   
251-290 7 Grand Bay AL   508J CENTURYLINK COMMUNICATIONS, LLC 480   2014-05-13   
251-290 8 Grand Bay AL   604E ONVOY, LLC - AL 480   2018-09-23   
251-290 9 Grand Bay AL   604E ONVOY, LLC - AL 480   2018-12-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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